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313143325 = 52111138703
BaseRepresentation
bin10010101010100…
…011000000011101
3210211020022212221
4102222203000131
51120131041300
651023425341
710521450205
oct2252430035
9724208787
10313143325
11150841240
1288a55251
134cb50311
142d835405
151c75831a
hex12aa301d

313143325 has 12 divisors (see below), whose sum is σ = 423597888. Its totient is φ = 227740400.

The previous prime is 313143323. The next prime is 313143359. The reversal of 313143325 is 523341313.

It is not a de Polignac number, because 313143325 - 21 = 313143323 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 313143325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313143323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 569077 + ... + 569626.

It is an arithmetic number, because the mean of its divisors is an integer number (35299824).

Almost surely, 2313143325 is an apocalyptic number.

It is an amenable number.

313143325 is a deficient number, since it is larger than the sum of its proper divisors (110454563).

313143325 is a wasteful number, since it uses less digits than its factorization.

313143325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1138724 (or 1138719 counting only the distinct ones).

The product of its digits is 3240, while the sum is 25.

The square root of 313143325 is about 17695.8561533484. The cubic root of 313143325 is about 679.0697523567.

Adding to 313143325 its reverse (523341313), we get a palindrome (836484638).

The spelling of 313143325 in words is "three hundred thirteen million, one hundred forty-three thousand, three hundred twenty-five".

Divisors: 1 5 11 25 55 275 1138703 5693515 12525733 28467575 62628665 313143325